保存方針がCONFIGURE RETENTION POLICY TO REDUNDANCYrを使用して有効になっている場合は、指定したデバイス上に同一ファイルのバックアップがn個以上存在するときのみ、RMANによってバックアップがスキップされます(ここで、n=r+1です)。
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS; CONFIGURE RETENTION POLICY TO REDUNDANCY 5; CONFIGURE RETENTION POLICY TO NONE; 第一种recover window是保持所有足够的备份,可以将数据库系统恢复到最近七天内的任意时刻。任何超过最近七天的数据库备份将被标记为obsolete。 第二种redundancy 是为了保持可以...
1.configure retention policy to redundancy 1: 是用来决定那些备份不再需要了,它一共有三种可选项,分别是 CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS; CONFIGURE RETENTION POLICY TO REDUNDANCY 5; CONFIGURE RETENTION POLICY TO NONE; 第一种recover window是保持所有足够的备份,可以将数据库系统恢...
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 5 DAYS; CONFIGURE RETENTION POLICY TO REDUNDANCY 5; CONFIGURE RETENTION POLICY TO NONE; 在第一个策略中,是保证至少有一个备份能恢复到Sysdate-5的时间点上,之前的备份将标记为Obsolete。第二个策略中说明至少需要有三个冗余的备份存在,如果多余三个备份以上的...
configure retention policy to recovery window of 7 days; configure retention policy to redundancy 5; configure retention policy clear; CONFIGURE RETENTION POLICY TO NONE; 第一种recover window是保持所有足够的备份,可以将数据库系统恢复到最近七天内的任意时刻。任何超过最近七天的数据库备份将被标记为obsolete...
A.备份优化被禁用 B.备份优化暂时禁用,因为指定的冗余基于保留策略 C.备份优化执行成功,但RMAN考虑冗余保留策略时,RMAN决定哪个数据文件应备份 D.该命令将失败,因为你不能当备份配置冗余为基础的保留策略 已启用优化 查看答案
CONFIGURE RETENTION POLICYTOREDUNDANCY1;# defaultCONFIGUREBACKUPOPTIMIZATIONOFF;# defaultCONFIGUREDEFAULTDEVICETYPETODISK;# defaultCONFIGURE CONTROLFILE AUTOBACKUPOFF;CONFIGURE CONTROLFILE AUTOBACKUP FORMATFORDEVICETYPE'DISK'TO'AA_auto_control_expire_backup_%F.ctl';CONFIGURE CONTROLFILE AUTOBACKUP FORMATFORDEVICETY...
Examine the RMAN configuration parameters: CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # defaultCONFIGURE BACKUP OPTIMIZATION OFF; # default CONFIGURE CONTROLFILE AUTOBACKUP OFF; #defaultCONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET ; CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE ...
Set storage redundancyAzure Backup automatically handles storage for the vault. You need to specify how that storage is replicated.Note Be sure to change the storage replication type for a Recovery Services vault before you configure a backup in the vault. After you configure a backup, the ...
Set storage redundancyAzure Backup automatically handles storage for the vault. You need to specify how that storage is replicated.Note Be sure to change the storage replication type for a Recovery Services vault before you configure a backup in the vault. After you configure a backup, the ...